- Concomitant use of the following types of facial products: astringents, toners, abradants, hair removal wax, facials, peels containing glycolic or other acids, masks, washes or soaps containing benzoyl peroxide, sulfacetamide sodium or salicylic acid, non-mild facial cleansers, or moisturizers that contain retinol, salicylic acid, or α- or β hydroxy acids.